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https://e2e.ti.com/support/data-converters-group/data-converters/f/data-converters-forum/1264917/dac8801-rfb-value-for-dac8801
DAC 内部的反馈电阻器的值是多少？
尊敬的 Madhurani：
RFB 值与 VREF 引脚看到的 R-2R 电阻梯的总阻抗相同。 该值为5kΩ±25%。 绝对值可能会有所不同、但它与电阻梯本身非常匹配。
谢谢、Paul
